Oven-door.



W. E. HUEINEFELD. OVEN ,DOOR. APPLICATION FILED JAN. 23, 1911.

0 6 5 Patented Feb. 6, 1912.

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UNITED STATES PATENT OFFICE.

WALTER E. I-IUENEFELD, OF CINCINNATI, OHIO, ASSIGNOR TO THE I-IUENEFELDCOMPANY, OF CINCINNATI, OHIO.

OVEN-DOOR.

Specification of Letters Patent.

Patented Feb. 6, 1912.

To all whom it may concern Be it known that I, WALTER E. I-IUENEFELD, ofCincinnati, in the county of Hamilton and State of Ohio, have inventedcertain .5, new and useful Improvements in Oven- Doors; and I do herebydeclare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itappertains to 1 make and use the same.

This invention relates to improvements in oven doors and moreparticularly to such as are adapted for use on portable ovens, theobject of my present invention being to provide simple and efficientmeans whereby a glass panel can be supported in the door without the useof packing material, and in such manner that yielding seats or abutmentswill be afforded for said glass panel and so compensate for expansionand contraction of the latter and the metal door frame as to preventbreakage of the panel.

A further object is to so construct the holding means for a glass panelin an oven door, that the panel can be easily placed in position andreadily replaced by a new panel in case of breakage.

With these objects in view the invention consists in certain novelfeatures of construction and combinations of parts as hereinafter setforth and pointed out in the claims.

In the accompanying drawings, Figure l is a rear face view of an ovendoor embodying my improvements. Fig. 2 is a transverse sectional view.Fig. 3 is a longi-.

tudinal sectional view, and Figs. 4c and 5 are views of modifications,

1 represents the frame sheet of an oven to door having a bulged portion2 provided with an opening to be closed by a glass panel 3, seats forwhich latter are formed by flanges 4 at the sides and ends of saidopening. The flanges 4: project inwardly at slight inclinations from theouter edges of off-set portions 5 of the bulged part of the door framesheet so that when the glass panel is pressed (as hereinafter explained)against said flanges 4:, the latter will afford seats which will besomewhat yielding. The door frame is also provided with a lining 6 whichconforms to the general contour of the frame 1. At the respective endsof the opening in'the door, the lining 6 is bent to form beads 7 theinner sides of which are free and constitute yielding abutments 8 forthe ends of the glass panel. At one longitudinal side of the opening inthe door, the lining is extended inwardly a sufficient distance to forma seat 9 for the glass panel, 0 said seat lying substantially parallelwith the adjacent flange 4 which constitutes the outer seat for theglass panel. At the opposite longitudinal edge of the opening, thelining terminates rearwardly of the plane of the adjacent flange or seat4. At this side of the opening in the door, a retaining strip 10 islocated. This retaining strip is made out of sheet metal and bentintermediate of its side edges to form a flattened bead 11. I Theportion ofthe strip at one side of said bead is inserted between thelining and the frame sheet and the bead is disposed between the sideedge of the glass panel and the adjacent off-set 5 of the frame sheet,while the portion of the strip at the inner side of the bead is disposedparallel with the glass panel and constitutes a seat therefor whichcooperates with the adjacent flange 4 of the frame to hold the glasspanel in place. 1 so It will be observed that at one side of the openingin the door, the adjacent off-set 5 constitutes a side abutment for theglass panel While at the other side of said open ing, the bead 11 of theretaining strip forms a yielding abutment for the edge of the glasspanel and the latter will serve to prevent displacement of said strip.The elasticity of the lining at this side of the door will serve to holdthe strip in place and the inner portion thereof yieldingly against thepanel,- the head 11 also acting to hold the retaining strip yieldinglyagainst the glass panel.

In the construction shown in Fig. 4c the retaining strip consists ofsheet metal bent upon itself as shown at 12 and then bent outwardly asshown at 13. The portion 12 of the strip is inserted between the liningand the outer frame sheet and the portion 13 is disposed between theofl-set 5 of the frame sheet and the adjacent side edge of the glasspanel to form a yielding abutment for the latter, while the portion 1.4:of said strip bears against the inner face of the glass panel.

In the construction shown in Fig. 5, the form of the retaining strip issubstantially the same as that shown in Fig. 4:, but instead ofinserting the portion 12 between the lining and frame sheet, thisportion constitutes 110 a seat for the glass panel and the portion 14 isforced between the lining and the outer frame sheet.

Having fully described my invention what I claim as new and desire tosecure by Letters Patent,-

1. In an oven door, the combination with a frame sheet and a liningsheet, both having openings for a panel, said frame sheet provided atdiametrically opposite edges with off-set flanges, and a glass panelseated against said off-set flanges, of a removable retaining stripcooperating with one of said off-set flanges of the frame sheet to holdthe glass panel in place, said retaining strip comprising'a strip ofmetal bent to form a flattened bead member and two members projectingfrom the bead member, one member of said retaining strip enteringbetween the frame and lining sheets, another member of said stripdisposed to form a yielding abutment for an edge of the glass panel, andthe remainingmember of said strip bearing with yielding pressure againstthe inner face of the glass panel near an edge thereof;

2. In an'oven door, the combination with a frame sheet provided atdiametrically opposite edges with off-set inwardly projecting flanges,and a lining sheet for the door having an opening in line with theopening of which said inwardly projecting flanges constitute the sideedges, of removable retaining means for a glass panel, said retainingmeans consisting of a sheet metal strip bent between its ends to form aflattened bead and having a member at one side of said bead disposedbetween the lining and frame sheets and said strip having an inwardlyprojecting member at the opposite side of said bead disposedapproximately parallel with the adjacent inwardly projecting off-setflange of the frame sheet, and a glass panel seated against saidinwardly projecting ofi' set flange of the frame sheet and engaged bythe inwardly projecting member of the retaining strip, the flattenedbead of said retaining strip disposed to form an abutment for the sideedge of the glass panel.

In testimony whereof, I have signed this specification in the presenceof two subscribing witnesses.

WALTER E. HUENEFELD.

Witnesses:

CHARLES F. RIETMAN, J r., CHARLES E. PFAU.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

' Washington, D. G.

